Question

我尝试使用jzy3d包创建表面图表。这是我的代码：

int stepsX = 6;
Range rX = new Range(1,6);
int stepsY = 7;
Range rY = new Range(0,6);

Mapper mapper = new Mapper(){
    @Override
    public double f(double x, double y) {
        return //My function to get Z value;
    }
};

// Create a surface drawing that function
org.jzy3d.plot3d.primitives.Shape surface = Builder.buildOrthonormal(new OrthonormalGrid(rX, stepsX, rY, stepsY), mapper);
surface.setColorMapper(new ColorMapper(new ColorMapRainbow(), surface.getBounds().getZmin(), surface.getBounds().getZmax(), new org.jzy3d.colors.Color(1, 1, 1, .5f)));
surface.setFaceDisplayed(true);
surface.setWireframeDisplayed(false);
//surface.setWireframeColor(org.jzy3d.colors.Color.GRAY);

// Create a chart and add the surface
org.jzy3d.chart.Chart chart = new org.jzy3d.chart.Chart(Quality.Advanced,"swing");
chart.getScene().getGraph().add(surface);

JPanel p = new JPanel(new BorderLayout());
p.add((JPanel)chart.getCanvas(),BorderLayout.CENTER);

使用以下代码我设置了默认颜色映射（蓝色表示较低值，红色表示较高值）。

surface.setColorMapper(new ColorMapper(new ColorMapRainbow(), surface.getBounds().getZmin(), surface.getBounds().getZmax(), new org.jzy3d.colors.Color(1, 1, 1, .5f)));

有没有办法反转颜色映射？即红色表示较低值，蓝色表示绿色表示较高值。

Answer 1

由恶意解决。

我在if (error.code) { cancelBlock = block; UIAlertController *alert = [UIAlertController alertControllerWithTitle: @"Message" message: @"Peripheral Disconnected with Error" preferredStyle: UIAlertControllerStyleAlert]; UIAlertAction *alertAction = [UIAlertAction actionWithTitle: @"OK" style: UIAlertActionStyleDestructive handler: ^(UIAlertAction *action) { NSLog(@"OK"); }]; [alert addAction: alertAction]; [self presentViewController: controller animated: YES completion: nil]; /* UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Peripheral Disconnected with Error" message:error.description delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show];*/上使用了setDirection(false)方法：

ColorMapRainbow

该方法反转与每个值关联的默认颜色，因此蓝色表示较高的值，红色表示较低的值。

jzy3d改变颜色映射

1 个答案: